Runners are often told to increase their weekly mileage slowly. The 10% rule states that you should add 10 percent to this week's total to find the safe number of miles to run next week. It's probably the second rule you heard as a new runner, right after "get some good shoes." But if you find that advice hard to… »2/10/15 3:00pm 2/10/15 3:00pm

Most doctors will tell you to recover from a concussion by resting and waiting for symptoms to subside. But cutting-edge research shows that rest isn't always best. Concussion clinics in a few states use new strategies. Here's how to know if you need to seek out specialized treatment. »1/22/15 3:00pm 1/22/15 3:00pm

Your body is not a machine, and you shouldn't treat it like one even if you think you can "tough it out." You need to put as much care and consideration on your recovery as you do your workouts. Here are some common running mistakes that can compound the stress you're placing on your body. »12/17/14 2:00pm 12/17/14 2:00pm

Good runners are made, not born. After all, hard work beats talent when talent fails to work hard. If you want to become a better runner the opportunity is there if you take the right steps. »1/30/14 6:12am 1/30/14 6:12am

Over the last three years of coaching runners, I’ve reviewed hundreds of runner questionnaires. This is the exhaustive list of questions that allow me to dig deep into a runner’s background, injury profile, fitness level, schedule, racing history, and more so I can tailor their training to their personal needs. After… »8/05/13 1:00pm 8/05/13 1:00pm

It's popular theory that many running injuries, especially when you're first starting out, have to do with pronation. How you pronate has to do with how you land your foot, and whether you roll it inward or outward. However, a new study suggests that pronation might have little to do with injury. »6/27/13 7:00am 6/27/13 7:00am

Nobody likes getting cut up and dealing with a potential scar. While you'll find countless supposed remedies out there to avoid scars, The Wall Street Journal takes a look at which of these treatments really work. »5/24/13 6:30am 5/24/13 6:30am

Dear Lifehacker,I think I pulled a muscle in my leg while running the other day. I can still walk, but sometimes it hurts and my leg feels weak. I think it will heal with time, but what can I do to help the recovery process? »5/07/13 10:00am 5/07/13 10:00am

It's pretty easy to injure yourself when running if you're not careful. One of the more common injuries comes from working too hard, and health blog Greatist suggests the best way to keep that from happening is to make mileage gains gradually. »4/25/13 7:00am 4/25/13 7:00am

First aid is one of those things we all know we should take seriously, but forget about all too often. If you find yourself stuck with a nosebleed or a cut bigger than Band-Aids can cover, you'd be surprised at how effective a tampon can be. »6/06/12 3:30pm 6/06/12 3:30pm

Chances are you've accumulated a decent collection of soy sauce, ketchup, and other condiments that you're probably never going to eat. Rather than toss them out, freeze them. As Yahoo suggests, you can use them as tiny ice packs for your smaller injuries (or injuries your children incur) instead. »8/25/11 9:00am 8/25/11 9:00am

Most people aren't afraid to use rubbing alcohol or hydrogen peroxide to disinfect a wound when they get a cut. According to WebMD however, using peroxide on a wound can actually harm the tissue around it and delay the healing process. This is just one first aid fallacy they're out to debunk. »7/29/11 5:00am 7/29/11 5:00am